NT native Build Failure for 21.2-b23

Looks like something is wrong with the latest change to ../src/s/windowsnt.h I am investigating Adrian cd d:\tmp\21.2\xemacs\nt\ nmake /f xemacs.mak INSTALL_DIR="c:\XEmacs\XEmacs-$(XEMACS_VERSION_STRING)" PACKAGE_PREFIX="c:\XEmacs" HAVE_XPM="1" HAVE_PNG="1" HAVE_TIFF="1" HAVE_JPEG="1" HAVE_XFACE="1" DEBUG_XEMACS="1" GUNG_HO="1" MAKEINFO="d:\tmp\texinfo-4.0\makeinfo\makeinfo.exe" COMPFACE_DIR="d:\tmp\libs4xemacs\compface" JPEG_DIR="d:\tmp\libs4xemacs\jpeg-6b" TIFF_DIR="d:\tmp\libs4xemacs\tiff-v3.4" ZLIB_DIR="d:\tmp\libs4xemacs\zlib" PNG_DIR="d:\tmp\libs4xemacs\libpng-1.0.2" XPM_DIR="d:\tmp\libs4xemacs\xpm-3.4k" all Compilation started at Tue Dec 07 23:57:19 1999 Microsoft (R) Program Maintenance Utility Version 6.00.8168.0 Copyright (C) Microsoft Corp 1988-1998. All rights reserved. Creating ..\lib-src\config.values -------------------------------------------------------------------- OS: Windows_NT XEmacs 21.2-b23 \"Hebe\" configured for `i586-pc-win32'. Building XEmacs in \"d:\\tmp\\21.2\\xemacs\\nt\". Using compiler \"cl -nologo -W3 -Od -Zi\". Installing XEmacs in \"c:\\XEmacs\\XEmacs-21.2-b23\". Package path is \"~\\.xemacs;;c:\\XEmacs\\site-packages;c:\\XEmacs\\xemacs-packages\". Compiling in support for Microsoft Windows native GUI. Compiling in support for XPM images. Compiling in support for GIF images. Compiling in support for PNG images. Compiling in support for TIFF images. Compiling in support for JPEG images. Compiling in support for X-Face message headers. Compiling in support for toolbars. Compiling in support for dialogs. Compiling in support for widgets. Compiling in support for native sounds. Compiling in fast dired implementation. Using minimal tagbits. Using indexed lrecord implementation. Compiling in extra debug checks. XEmacs will be slow! -------------------------------------------------------------------- copy config.h ..\src 1 file(s) copied. copy Emacs.ad.h ..\src 1 file(s) copied. copy paths.h ..\src 1 file(s) copied. lastfile.c link.exe -lib -nologo -out:..\nt\obj\lastfile.lib ..\nt\obj\lastfile.obj cd ..\lib-src make-docfile.c .\../src/s/windowsnt.h(128) : error C2061: syntax error : identifier 'Vdirectory_sep_char' .\../src/s/windowsnt.h(128) : error C2059: syntax error : ';' NMAKE : fatal error U1077: 'cl' : return code '0x2' Stop. Compilation exited abnormally with code 2 at Tue Dec 07 23:57:22